Sensepoint XCD RFD (Remote Flammable Detector ...Reset transmitter. If fault still appear, replace...

Technical Manual

Sensepoint XCD RFD (Remote Flammable Detector)Technical Manual

Sensepoint XCD RFD Technical Manual SPXCDHMRFENU Issue 1

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1 SafetyEnsure that this Operating Manual is read and understood BEFORE installing / operating / maintaining the equipment. Pay particular attention to Warnings and Cautions. All document Warnings are listed here and repeated where appropriate at the start of the relevant chapter(s) of this Operating Manual. Cautions appear in the sections/sub-sections of the document where they apply

WARNINGSSensepoint XCD RFD is designed for installation and use in Class I, Division 1, Groups B,C

& D Hazardous Areas in the Americas.

Installation must be in accordance with the recognized standards of the appropriate authority in the country concerned.

Access to the interior of the detector, when carrying out any work, must only be conducted by trained personnel.

Before carrying out any work ensure local regulations and site procedures are followed. Appropriate standards must be followed to maintain the overall certification of the detector.

If using an anti-seize compound, the threads should be thinly coated with an approved silicone free compound e.g. petroleum jelly

To reduce the risk of ignition of hazardous atmosphere, de-classify the area or disconnect the equipment from the supply circuit before opening the detector enclosure. Keep

assembly tightly closed during operation.

Never attempt to open a junction box/enclosure or replace/refit the sensor in potentially hazardous atmospheres while power is still applied to the transmitter.

The detector must be earthed/grounded for electrical safety and to limit the effects of radio frequency interference. Earth/ground points are provided inside and outside the unit. The

internal grounding shall be used as the primary equipment ground. The external terminal is only a supplemental bonding connection where local authorities permit or require such a

connection.

Ensure that all screens/instrument earth/clean earth wiring is earthed/grounded at a single point (either at the controller or detector - BUT NOT BOTH) to prevent false readings or

alarms that may occur due to potential earth/ground loops.

Take care when handling sensors as they may contain corrosive solutions. Do not tamper with or in any way disassemble the sensor.

Do not expose to temperatures outside the recommended ranges.Do not expose sensors under storage conditions to organic solvents or flammable liquids.

This equipment is designed and constructed as to prevent ignition sources arising, even in the event of frequent disturbances or equipment operating faults. Note: The control card

must have a suitably rated fuse.

The sensor head must be fitted with the supplied weather protection, and mounted so thatthe sinter is pointing downward to provide ingress protection IPX6.

The weather protection is a potential electrostatic charging hazard. The manufacturer’sinstructions should be observed.

The Sensepoint sensor is a possible Electrostatic risk - Do not rub or clean with solvents. Clean with a damp cloth. High velocity airflows and dusty environments can cause

hazardous electrostatic charges.

Refer to the Sensepoint XCD RFD Control Drawing 3001EC091 shown in section 17.


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2 InformationThis manual is for use with the Sensepoint XCD RFD range transmitters only.

The Start-up/Surge/In rush current is dependant on the type of power supply used. The typical start-up current for Sensepoint XCD RFD is less than 800mA. Measure the start-up current using the specific power supply before installation to ensure suitability for your application.

Honeywell Analytics can take no responsibility for installation and/or use of its equipment if not done so in accordance with the appropriate issue and/or amendment of the Technical Manual.

The reader of this Operating Manual should ensure that it is appropriate in all details for the exact equipment to be installed and/or operated. If in doubt, contact Honeywell Analytics for advice.

The following types of notices are used throughout this Operating Manual:

WARNINGIdentifies a hazardous or unsafe practice which could result in severe injury or

death to personnel.

Caution: Identifies a hazardous or unsafe practice which could result in minor injury to personnel, or product or property damage.

Note: Identifies useful/additional information.

Every effort has been made to ensure the accuracy of this document; however, Honeywell Analytics can assume no responsibility for any errors or omissions in this document or their consequences.

Honeywell Analytics would greatly appreciate being informed of any errors or omissions that may be found in the content of this document.

For information not covered in this document, or if there is a requirement to send comments/corrections about this document, please contact Honeywell Analytics using the contact details given on the back page.

Honeywell Analytics reserve the right to change or revise the information supplied in this document without notice and without obligation to notify any person or organization of such revision or change. If information is required that does not appear in this document, contact the local distributor/agent or Honeywell Analytics.


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3 Table of contents1 Safety ................................................................................................................................22 Information .......................................................................................................................34 Introduction ......................................................................................................................6

4.1 Transmitter ..................................................................................................................74.2 Flammable Gas sensors .............................................................................................74.2.1 705 LEL Flammable gas sensors (cCSAus Approved) ............................................84.3 Accessories .................................................................................................................94.4 Options .....................................................................................................................104.4.1 Modbus® ...............................................................................................................10

5 Installation .....................................................................................................................125.1 Mounting and location ...............................................................................................135.2 Mounting the transmitter ...........................................................................................135.3 Installing the sensor ..................................................................................................14

6 Electrical connections .................................................................................................156.1 Transmitter Wiring .....................................................................................................166.2 Terminal connections ................................................................................................176.3 Power ........................................................................................................................186.4 Cabling ......................................................................................................................196.5 Cable and Earth/Ground regimes .............................................................................196.6 Ground Terminal Wiring ............................................................................................20

7 Default configuration ....................................................................................................218 Normal Operation ..........................................................................................................22

8.1 Display Screen ..........................................................................................................228.2 System Status ...........................................................................................................238.3 Magnetic Wand Activation .........................................................................................248.4 Operation Mode Structure ........................................................................................24

9 First time switch on (Commissioning) ........................................................................2510 Response Check and Calibration ..............................................................................27

10.1 Zeroing and span calibration .................................................................................2711 General Maintenance...................................................................................................31

11.1 Operational Life .......................................................................................................3112 Servicing ......................................................................................................................32

12.1 Sensor replacement ................................................................................................3212.2 Replacing Modules within the Transmitter ..............................................................3412.3 Faults and Warnings ...............................................................................................35

13 Menu’s and Advanced Configuration ........................................................................3613.1 Abort Function .........................................................................................................3613.2 Configuration Mode ................................................................................................3613.2.1 Configuration mode operation table .....................................................................4013.3 Sensor / Gas Selection ...........................................................................................4213.3.1 Sensor Selection ..................................................................................................4213.3.2 Gas Selection ......................................................................................................4213.4 Review Mode ..........................................................................................................44


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14 General specification ................................................................................................. 4715 Ordering information .................................................................................................. 4816 Warranty statement .................................................................................................... 5017 Installation Drawing ................................................................................................... 51

17.1 Mechanical Installation Drawing ........................................................................... 5117.2 Electronic Connection Drawing .............................................................................. 5217.3 Duct Mounting Drawing ......................................................................................... 5317.4 Collecting Cone Drawing ....................................................................................... 5417.5 Mounting Bolt Assy Drawing .................................................................................. 5517.6 Mounting Bracket Drawing ..................................................................................... 5617.7 Control Drawing ..................................................................................................... 57

18 Certification................................................................................................................. 5918.1 North America cCSAus .......................................................................................... 5918.2 Inmetro Certificates ................................................................................................ 6418.3 cCSAus Transmitter Name Plate ........................................................................... 70

19 Cross Interference and Cross Calibration ............................................................... 7119.1 Cross Calibration Flammable Gas Detector .......................................................... 71A.1 Modbus and the XCD .............................................................................................. 74A.2 Modbus Registers ................................................................................................... 75


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LockingGrubscrew

Internal Earth Point

Enclosure

External Earth Point (x2)

M20 or 3/4"NPT cable/conduit entry (x2)

Cover

Seal

Display Module

Terminal Module

Ex d Plug Integral

mounting plate

Certification Label

M25 or 3/4"NPT entry for Flammable Sensor or Remote Sensor Cable Gland

4 IntroductionThe Sensepoint XCD RFD transmitter allows the user to either directly or remotely mount a flammable gas sensor from the Sensepoint XCD. See sensor information in section 4.2. The remote sensor can be located up to 30 meters (100 feet) from the transmitter. The transmitter features a display and three programmable relays for controlling external equipment e.g. alarms, sirens, valves or switches. The transmitter provides an industry standard 3-wire, 4-20mA source or sink output for connection to a dedicated gas detection control system or PLC.

The construction of Sensepoint XCD RFD allows it to be used in hazardous area locations; it may also be used in other areas not classified as hazardous. Sensepoint XCD RFD is suitable for use in Class I Division 1 areas. Calibration and maintenance is carried out using a Magnetic Wand, this allows a single user to undertake routine maintenance without needing to access internal components.

Sensepoint XCD RFD comprises of the main parts as shown below.

Diagram 1. – Exploded View


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4.1 Transmitter

The transmitter enclosure has three threaded entries. The two cable entries either side of the upper part of the transmitter housing are for connecting the power source, signal output and relay contacts to associated signalling equipment. The bottom entry allows local (direct) mounting of the appropriate sensor. These three entries are ¾” NPT for the Americas.

A local LCD provides gas type, concentration, alarm and operating status. The display provides numerical, bar graph and icon information.

Diagnostic information may also be displayed when the transmitter is interrogated using a magnet. The transmitter cover has a glass window which allows use of the Magnetic Wand to activate the three user interface magnetic switches that are located on the front of the display module. The magnet also enables a non intrusive, one-man calibration and configuration facility for the Sensepoint XCD RFD.

4.2 Flammable Gas sensors

The Sensepoint XCD/RFD Transmitter is designed to work with the following flammable gas sensor types described in below sections 4.2.1, 4.2.2 and 4.2.3. Sensepoint XCD sensors use electro-catalytic technologies. The Sensepoint XCD RFD is cCSAus approved for use in North America.

Please refer to chapter 15 ‘Ordering information’ for more detail information.

Diagram 2: Sensepoint XCD RFD Display and Magnetic Switches

Measuring Units

Inhibit Icon

Test Pass Icon

WarningFault Icon

Magnetic Wand activation Icon

Gas Type

MagneticMENU/ENTER

Switch

MagneticUP Switch

MagneticDOWNSwitch

Gas Reading

Bar Graph

Alarm Icon

Full Scale

Calibration Icon

XCD RFD


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4.2.1 705 LEL Flammable gas sensors (cCSAus Approved)

Standard LEL versionThe standard LEL sensor is available for use in temperatures up to 80°C (remote mounting only) and detects gas concentrations up to 100% LEL of a target gas with a resolution in the region of 1% LEL, depending on the gas being detected. The sensor is available with ¾”NPT thread only. The standard 705 is both CSA and UL approved.

High Temperature LEL versionThe high temperature version(UL approved) is available for use in temperatures up to 150°C (remote mounting only) and detects gas concentrations up to 100% LEL of a target gas with a resolution in the region of 1% LEL, depending on the gas being detected. The sensor is available with ¾”NPT thread only. The 705 HT is UL approved only.

Details for connecting these sensors with the Sensepoint XCD RFD transmitter are provided in sections 5 and 6. For more sensor specific details, refer to the Technical Handbook Part No. 2106M0502 or their individual manual (705 Combustible Gas Sensor Operating Instructions Part No: 00705M5002)

705 Standard LEL version 705 High Temperature LEL version

705 LEL flammable sensors


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4.3 Accessories

A range of accessories are available to allow use of Sensepoint XCD RFD in a wide variety of applications. These include Pipe mounting bracket, Sunshade deluge cover,Sensor collecting cone, Sensor flow Housing and Remote sensor mounting junction boxes.

Standard Weather Protection

For UL/CSA Junction Box(P/N: 2430-0021)

For Sensepoint / 705(P/N: 02000-A-1640/1635)

For Sensepoint / 705(P/N: 02000-A-1642)

The Standard Weather Protection is designed to protect the sensor from changes in environmental

conditions. This is recommended to be fitted to a Sensepoint XCD sensor and Sensepint / 705

sensors.

Calibration Gas Flow Housing

The Calibration Gas Flow Housing (P/N: 02000-A-1645) may be used for either calibration of the

Sensepoint / 705 sensor or if the Sensepoint / 705 sensor is to be used as part of a Aspirated

Sampling System.

Collecting Cone

Remote Sensor Mounting

Sensepoint Filter and Filter Housing

The Collecting Cone is an optional accessory that may be fitted to the Weather Protection of XCD and Sensepoint / 705 sensors. The collecting cone is designed for use with gases that are

lighter than air.

UL/CSA aluminum junction box, (P/N: 2430-0021) is used for remote sensor mounting. Make the connection from the junction box to the

transmitter using suitable cable and cable glands.

Sensepoint Stainless steel filter (P/N: 00780-F-0018) and Filter Housing (P/N: 00780-C-

0038) is an optional accessory can be used to offer additional protection to the Sinter in dry,

and dusty applications.


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4.4 Options

4.4.1 Modbus®

One of the most common field buses in the industry, the optional Modbus® interface allows the XCD to connect to a bus of devices and transmit data to PLCs or controllers (see Appendix A). Connections to the XCD are made through a pluggable terminal block on the Modbus® interface circuit board. Modbus® RTU protocol uses ASCII/Hex protocols for communication. And allows all transmitter/sensor front panel functions to be transmitted using this industrial fieldbus.Modbus® protocol is a Master-Slaves protocol. Only one master (at the same time) is connected to the bus and one or up to 32 slave nodes are also connected to the same serial bus. Modbus® communication is always initiated by the master. The slave nodes will never transmit data without receiving a request from the master node. The slave nodes will never communicate with each other. The master node initiates only one Modbus® transaction at the same time.The MODBUS may only be used for data collection or record keeping with regard to combustible gas detection and not for performance verification.Modbus option is available only for selected gases. Please refer to chapter 15 Ordering information.To find out if a unit has the ModBus option fitted, look at the part number on the product label. Units fitted with ModBus have the letter “M” at the end of the part number.

Note: MODBUS® is a registered trademark of Schneider Automation Inc.


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(MODBUS ID SETTING)Set id>>Set ModBus slave ID>>Set Baud rate>>Set Parity1) Slave ID shall be set 1~2472) Baud rate setting 9600 or 19200 3) Parity setting (No, Even, Odd) From the Configuration Mode screen, select‘’. To set the ModBus Slave ID, use the up-down ‘’switches to move to the desired position and use ‘’to select it. Again, using the‘’switches, increment or decrement the value until the desired value appears, selects the value and moves to the next setting.

The communications baud rate and Parity Setting can also be set from this screen by using the‘’ switches to navigate to the baud rate display then selecting ‘’. Using the ‘’switches, highlight the proper baud rate or parity setting and select‘’. Default is Slave ID 1, 19200bps and even parity.

Note: Set ID menu is available only for XCD equipped with Modbus option.


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5 Installation Refer to the Sensepoint XCD RFD Control Drawing 3001EC091 for CSA applications shown in section 17.

WARNINGSSensepoint XCD RFD is designed for installation and use in Class I, Division 1, Group B,C &

D Hazardous Areas in the Americas.








The detector must be earthed/grounded for electrical safety and to limit the effects of radio frequency interference. Earth/ground points are provided inside and outside the unit. Ensure that all screens/instrument earth/clean earth wiring is earthed/grounded at a single point (either at the controller or detector - BUT NOT BOTH) to prevent false alarms due to

earth/ground loops.

Take care when handling sensors as they may contain corrosive solutions.Do not tamper with or in any way disassemble the sensor.


This equipment is designed and constructed as to prevent ignition sources arising, even in the event of frequent disturbances or equipment operating faults. Note: The control card

must have a suitably rated fuse.

The sensor head must be fitted with the supplied weather protection, and mounted so thatthe sinter is pointing downward to provide ingress protection IPX6.





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5.1 Mounting and location

Gas detectors should be mounted where a potential hazard of gas is most likely to be present. The following points should be noted when locating gas sensors.

• When locating detectors consider the possible damage caused by natural events e.g. rain or flooding.

• Consider ease of access to the gas detector for functional testing and servicing.• Consider how escaping gas may behave due to natural or forced air currents.

Note: The placement of gas detectors should be determined following the advice of experts having specialist knowledge of gas dispersion, experts having knowledge of the process plant system and equipment involved, safety and engineering personnel. The agreement reached on the location of detectors should be recorded.

5.2 Mounting the transmitter

The Sensepoint XCD RFD transmitter has an integral mounting plate consisting of four mounting holes on the transmitter body. The transmitter may be fixed directly to a surface mounting, or to a horizontal or vertical pipe/structure, 40.0-80.0mm (1.6 to 3.1 inches) in diameter/cross section. The Pipe Mounting Bracket accessory (optional accessory) may be used for this purpose.

Caution: The location of gas detectors should be made in accordance with any relevant local and national legislation, standards or codes of practice. Always replace sensors

with a sensor of the same type.

Diagram 5: Outline and mounting dimensions

All dimensions are shown in mm.

¾”NPT entries for UL / CSAVersions


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5.3 Installing the sensor

WARNINGS

If using an anti-seize compound, the threads should be thinly coated with an approvedsilicone free compound e.g. petroleum jelly

Take care when handling old sensors as they may contain corrosive solutions.

Take care when removing or replacing the Sensor Retainer as there may be sharp edgespresent on the adjoining threads.

The equipment is designed and constructed as to prevent ignition sources arising, even in the event of frequent disturbances or equipment operating faults.

The sensor head must be fitted with the supplied weather protection, and mounted so that the sinter is pointing downward to provide ingress protection IPX6.


A remotely mounted sensor should be mounted using a suitable junction box . For further details regarding mounting sensors to suitable junction boxes refer to the relevant sensor manual.

1. Connect the remote sensor/junction box to the Sensepoint XCD RFD transmitter using suitable cable with wires of diameter 0.5 ~ 2.5mm2 (20AWG ~ 13AWG).

2. Connect the cable to the transmitter enclosure via the bottom entry. 3. Cable based installation in many countries including Europe must use appropriately

certified cable glands and refer to the Sensepoint XCD RFD Control Drawing 3001EC091 shown in section 17 for conduit based installation in the Americas.

Note: The maximum cable length between the remotely mounted sensor and the Sensepoint XCD RFD transmitter is 30 meters (100 feet).

4. Terminate the wires from the sensor in the transmitter as shown in chapter 6.2.5. Select sensor type at configuration menu after remote sensor mounting. Refer to the

chapter 12.1 Sensor Replacement and the chapter 13.3.1 Sensor Selection.

Cable Gland Sensor

Transmitter

Junction Box

Sensepoint XCD RFD with Sensepoint Remote Sensor


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6 Electrical connections

WARNINGSSensepoint XCD RFD is designed for installation and use in Class I, Division 1, Group B,C &

D Hazardous Areas in the Americas.








The detector must be earthed/grounded for electrical safety and to limit the effects of radio frequency interference. Earth/ground points are provided inside and outside the unit. Ensure that all screens/instrument earth/clean earth wiring is earthed/grounded at a single point (either at the controller or detector - BUT NOT BOTH) to prevent false alarms due to

earth/ground loops.





Refer to the Sensepoint XCD RFD Control Drawing 3001EC091 shown in section 17.


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6.1 Transmitter Wiring

The Sensepoint XCD RFD transmitter may be wired in either Current SOURCE or Current SINK configuration. These two options are offered to allow greater flexibility in the type of control system that it can be used with. SOURCE/SINK is selectable via the switch located on the back side of the display module; accessible by removing the display module during installation / commissioning (see section 9).

Caution: All electrical connections should be made in accordance with any relevant local or national legislation, standards or codes of practice.

Caution: 250ohm load resistor (RL) is installed in the factory, in case of connection with controller, this resistor should be removed because controller has load resistor

internally.

Note: Terminate cable screen at detector or controller, not both.

XCD Source 3 Wire 4-20mA (Source)

XCD Sink 3 Wire 4-20mA (Sink)

Controller

+VE

Signal

1

2

3

Detector

+VE

Signal

-VE

RL

-VE

1

3

2

Controller

+VE

Signal

1

2

3

Detector

+VE

Signal

-VE

RL

-VE

1

3

2

RL

Controller

+VE

Signal

1

2

3

Detector

+VE

Signal

-VE -VE

1

3

2

RL

Controller

+VE

Signal

1

2

3

Detector

+VE

Signal

-VE -VE

1

3

2


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6.2 Terminal connections

Note: Ensure that none of the wires in the terminal area cause an obstruction when refitting the Display Module. Ensure that the socket on the Display Module is fully engaged in the Display Module Connector on the Terminal Module.

Diagram 6: Sensepoint XCD RFD Terminal module

Terminal Block

Ground/EarthPoint

Power & Signal

Display Module Connector

Display Module Alignment Pin

Locator

Terminal Blockfor Relays

Terminal block for Sensepoint or 705Flammable sensor

Note: Terminal Blocks are plug/socket type and may be removed to ease wiring.

Terminal Module ConnectionsTerminal Number Marking Connection Description

1 24V +VE Supply(16-32VDC)

Controller Connections2 0V -VE Supply(0VDC)3 4~20mA Current Output Signal4 COM Common

MODBUS RTU. RS485(Optional) 5 TxD MODBUS A(+)

6 RxD MODBUS A(-)7 RLY1/NC Normally Closed

Programmable Relay 1(Default A1)8 RLY1/COM Common

9 RLY1/NO Normally Open10 RLY2/NC Normally Closed

Programmable Relay 2(Default A2)11 RLY2/COM Common

12 RLY2/NO Normally Open13 RLY3/NC Normally Closed

Programmable Relay 3(Default Fault)14 RLY3/COM Common

15 RLY3/NO Normally Open16 +VE Sensitive (Sensor Brown Wire)

RFD Sensor Connection17 -VE Non-Sensitive (Sensor Blue Wire)18 01 Signal (Sensor White Wire)

Table 1: Transmitter terminal connections

Note: The 705 HT sensor (UL Certified only) must be earthed either at the remote junction box or at the transmitter as appropriate. Avoid earth loops.


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6.3 Power

The Sensepoint XCD transmitter requires a power supply from the controller of between 16Vdc and 32Vdc. Ensure that a minimum supply of 16Vdc is measured at the sensor, taking into account the voltage drop due to cable resistance.

The maximum loop resistance in the field cable is calculated as follows

R loop = (V controller – V detector min) / I detector

Example;

The controller is supplying a nominal 24Vdc (V controller), the detector minimum allowable voltage is 16Vdc (V detector min), therefore the maximum allowable voltage drop between the controller and detector is 8Vdc; this means a voltage drop of 4V in each core (+ve core and -ve core).

Power consumption of the detector is 5.0W. The current required to drive the detector at the minimum voltage is (I = P / V), 5 / 16 = 312.5 mA (I detector).

So, the maximum fieldcable loop resistance (R loop) = 8 / 0.31 = 26 Ohms, or 13 Ohms per core, (allowing for component variations, losses, etc.).

The following tables show the maximum cable distances between the controller and transmitter assuming a voltage drop of 3V in each core and for different cable parameters. The tables are examples only and actual cable parameters and source power supply voltage for the application should be used to calculate the maximum cable distance allowed at the installation site.

Typical cable data Maximum Cable length (L)Cable size

(cross sectional area)Cable resistance

Ω/km (Ω/mi) Meters Feet

0.5mm2 (20AWG*) 36.8 (59.2) 353 11581.0mm2 (17AWG*) 19.5 (31.4) 666 21851.5mm2 (16AWG*) 12.7 (20.4) 1023 33562.0mm2 (14AWG*) 10.1 (16.3) 1287 42222.5mm2 (13AWG*) 8.0 (12.9) 1621 5318

*nearest equivalent

Table 2: Maximum cable distances

+24V+20V

(wrt Controller 0V)

+4V (wrt Controller 0V)

0V

4-20mA

Field Cable (L)

Signal

Diagram 7: Power Connection

16V (min) ControllerXCD


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6.4 Cabling

The use of industrial grade, suitably armoured field cable is recommended.

For example, screened 3 cores (plus screen 90% coverage), suitably mechanically protected copper cable with a suitable 3/4" explosion-proof gland with 0.5 to 2.5 mm2 (20 to 13 AWG) conductors. Ensure the cable gland is installed correctly and fully tightened. All unused cable entries must be sealed with a suitable certified sealing plug (one plug is supplied).

Remote Mounting Cable Details

Type Cable Spec Max Length

RFD Remote AWM2464 AWG20~AWG13 Shield 30meters (98 feet)

6.5 Cable and Earth/Ground regimes

Effective Earth/Ground bonding is important to ensure good EMC and RFI immunity.

The following diagrams show examples of how to earth/ground bond the cable at enclosures. These bonding techniques provide good RFI/EMC performance. Earth/ground loops must be avoided to prevent the risk of false signal variation.

Cable to Transmitter

Diagram 8: Controller Grounding

Diagram 9: System grounding

Cable outer sheath Cable inner sheath

Clean / Instrument Earth Screen

Controller

Power & Signal

Earth Screen

Controller Transmitter

Note: The Sensepoint HT sensor requires an earth core if the remote junction box does not have a suitable earth point.


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The Earth Screen of the field cable should be “tied to Earth” or connected to Ground at one point only. It is common practise to adopt a STAR EARTH connection regime where all instrumentation Screens are connected at one common point.The Screen at the other end of the cable should be “parked” or terminated into a blank terminal.

The following diagrams show how to install the wire into the ground screw of theenclosure.

6.6 Ground Terminal Wiring

Internal Ground connection: Utilize the shield of the wiring cable recommended in thewiring instructions. For connection to this terminal. Twist the shield wire to avoid strayshield wires, Loosen the screw sufficiently and wrap the wire around the screw in a “U” shape. Raise the clamp and place the wire between the clamp and ground base, lower the clamp and tighten the screw to 6.9lb-in torque.

External Ground Connection: If required by local authority, Utilize a No 14 AWG copper, (Stranded or Solid), wire. Loosen the screw sufficiently to enable ‘wrapping the wire around the screw in a “U” shape. Raise the clamp and place the wire between the clamp and ground base, lower the clamp and tighten the screw to10.4lb-in torque. A suitable Ring or Spade type insulated crimp terminal may also be used to accommodate the M4 size external earth screw.

Loosen the bolt Insert cable Fasten the bolt


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7 Default configurationThe Sensepoint XCD RFD transmitter is supplied with the following default configuration.Function Value/Setting Meaning

Sensor TypeAutomatic for Sensepoint XCD RFD sensors. Must be set for Sensepoint and 705 sensors.

XCD RFD recognizes the XCD RFD sensor cartridge according to the gas type within its own sensor family i.e. mV. For a Sensepoint and 705 sensor the user must set the sensor type.

Signal output

≥0.0<1.0 mA Fault (refer to table 9 section 12.3 for details) 2.0 mA or 4.0 mA Inhibit (during configuration/user settings)4.0 mA to 20.0 mA Normal gas measurement22.0 mA Maximum over range

Alarm Relay 1*Value is sensor dependant Lower alarm levelDe-energized Energizes on alarmContact Normally Open (NO) Closes on alarm

Alarm Relay 2*Value is sensor dependant Higher alarm levelDe-energized Energizes on alarmContact Normally Open (NO) Closes on alarm

Fault Relay<1mA Detector FaultEnergized De-energizes on alarmContact Normally Open (NO) Closes on alarm

Inhibit 2.0 mA (default) Signal output inhibited during menu use If any relay is set to inhibit relay, then inhibit relay will be activated.

Timeout Disabled

No inhibit timeout. The detector waits for a button press before returning to the previous state/setting Timeout period can be set in ‘Configure Inhibit’ menu in Configuration Mode.

Password 0000 (Disabled) 0000 (Password disabled). If changed then password is activated.

Location(Tag Number) 0000 Optional feature to identify the location or User’s “Tag”

number of the XCD

Temperature oC Option to have oC or oF

ModBus ID, baud rates and Parity bitID : 1Baud rates : 19,200Parity bit : EVEN

* Alarm relays automatically reset when reading falls within alarm thresholds. If relay configured to LATCH, then relays must be reset using the Magnetic Wand.

Table 3: Default configuration

Gas Name Default Range Lower Alarm Lower Alarm Type Higher Alarm Higher Alarm

Type705 Flammable 100%LEL 20%LEL Rising 40%LEL Rising705 HT Flammable 100%LEL 20%LEL Rising 40%LEL Rising

For details of how to change the configuration of the Sensepoint XCD please refer to section 13.


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8 Normal OperationSensepoint XCD RFD is supplied configured and ready for use according to the “Default Settings” table shown above. However these setting may be tailored to a specific application requirement using the Sensepoint XCD RFD configuration menu system.

Access to the Sensepoint XCD RFD transmitter’s configuration menus system is via the Magnetic Activation Tool.

8.1 Display Screen

The Sensepoint XCD RFD display features an LCD with Numeric and bar-graph gas concentration data, alpha-numeric warning and status indication, a target for magnetic switch activation and the UP/DOWN/ESC/ENTER zones for remote configuration. The LCD is also backlit with hi-intensity multi-colour LED indicator to show NORMAL, ALARM and FAULT status.

During normal operation the instrument display shows a steady GREEN backlight.

During Low and High Gas Alarm it displays a flashing RED backlight

During Fault condition the instrument display shows a flashing YELLOW backlight.

The screen is visible through the window of the transmitter’s cover. The display shows the gas concentration (both graphically and numerically), range, units, alarm/fault status, etc.

Note: The detector display may become sluggish in sub-zero temperatures and possibly unclear at temperatures below -40 °C, but the detector continues its gas monitoring function. The display is not damaged and recovers when the temperature increases.

Diagram 10: Example of a Flammable Transmitter Display screen – Normal Operation

Test Pass Icon

Gas Type

Gas Reading

Bar Graph (Proportional

Peak Reading bar

to gas reading)

Full Scale

Measuring Unit


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8.2 System Status

Display indications, current output and relay states for various operational conditionsare shown in the following table. For further details of error messages and trouble shooting see section 12.3.

System Status

Status Display Current Output Relay BackLightA1 A2 Fault

Fault:Circuit or sensor error

F-XX fault number with fault icon blinking

0-1.0 mA Yellow, flashing

System Fault N/A 0-0.15mANote: In the event of processor failure the watchdog will automatically reset the system for recovery.

Warning

W-XX warning number with fault icon blinking

Dependent on system status

GreenSteady

Normal0.0Gas concentration

4-20 mA GreenSteady

Alarm 1

Gas concentration. 1st alarm icon blinking

4-20 mA Red,

flashing

Alarm 2

Gas concentration. 2nd alarm icon blinking

4-20 mA Red,

flashing

Over-rangeFull scale icon and reading blinking

22mA Red,

flashing

Inhibit

Inhibit icon dependent on Menu command. If any relay is set to inhibit relay, then inhibit relay will be activated.

2 or 4mA depending on configuration.

Green Steady

Table 4: System status


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8.3 Magnetic Wand Activation

The magnetic wand is used as a tool to allow the user to communicate with the Sensepoint XCD RFD transmitter. Communication with the XCD RFD is achieved by positioning the Magnetic Wand at one of three different positions on the front glass window of the Sensepoint XCD RFD transmitter. Activation of the switches is verified by observing the Magnetic Wand Activation Icon on the LCD display

Hold the Magnetic Wand in position for up to 2 seconds =

Hold the Magnetic Wand in position for 3 seconds or more =

8.4 Operation Mode Structure

Sensepoint XCD RFD has 3 operating modes.

1. Monitoring mode, is the normal operating status while XCD RFD measures and displays gas concentration. The fault/warning status is periodically checked, relay contacts are activated according to the configuration.

2. Configuration mode, this mode allows parameters relating to the configuration of the Transmitter functions to be changed according to specific needs. This mode can be protected by a password mechanism to prevent unauthorised changes being made.

3. Review mode, allows the user to view the current configuration settings.

Diagram 11: Mode Structure

Further details of the information available and configuration options for the Sensepoint XCD RFD can be found in Section 13. of this manual.

Start - Up

Configuration

Mode

Review Mode

Monitoring

Mode


25

1. Remove the transmitter housing cover and detach the display unit by lifting the semi-circular handle and pulling the assembly directly away from the termination module (without twisting it)

2. Configure the detector's analogue output signal configuration for Current SINK or Current SOURCE operation using the selector switch located on the back of the display module. The default setting is Current SOURCE.

3. Check that all electrical connections are terminated correctly as per section 6.4. Switch On the external power supply to the transmitter at the safe area gas detection

controller (or PLC).5. Using a Digital Multi Meter (DMM), check the Supply Voltage at the terminals 1 (24V)

and 2 (0V), this should be a minimum supply voltage of 16Vdc (Maximum supply voltage is 32V DC)

6. Switch Off the external power to the detector.7. Refit the Display Module and Cover.

Note: Ensure that none of the wires in the terminal area cause an obstruction when refitting the Display Module. Ensure that the socket on the Display Module is fully engaged in the Display Module Connector on the Terminal Module.

8. Switch On external power to the detector.9. All the display icons/text/numbers are displayed for 3 seconds.

10. A start up sequence will then be displayed, similar to the one shown in Diagram 15.

Note: Calibration is mandatory before the detector can be used for gas monitoring. Refer to Section 10.1 Calibration for the proper procedure.

9 First time switch on (Commissioning)

WARNING

The following procedure requires the Transmitter Cover to be removed while carrying out supply voltage checks. Therefore the appropriate permits to work should be sought in

preparation.

Prior to carrying out any HOT WORK ensure local and site procedures are followed. Ensure that the associated control panel output actuation is inhibited so as to prevent false

alarms.

Caution: The following procedure should be followed carefully and only performed by suitably trained personnel


26

Diagram 12: Normal Start up procedure (For the Flammable sensor version)

Note:For a full description of each screen shown in Diagram 12, please refer to Section 13.3 “Review Mode” of this Manual.

11. The warm up countdown of 60 seconds (depending on the gas type) is then initiated.12. Normal Monitoring Mode is then resumed.13. Configure to desired gas.14. Calibrate XCD-RFD.


27

10 Response Check and CalibrationIt is recommended to periodically carry out a gas response check on the Sensepoint XCD RFD to ensure correct operation. This may be done in two ways;

1. A simple Response Check often referred to as a “BUMP TEST” is a test using calibration gas applied to the sensor via the nozzle of the Weather Protection or using the Sensepoint XCD RFD Gassing Cap.If a BUMP TEST is done via the Weather Protection nozzle it may be necessary in windy conditions to increase the flow rate of the test gas by a further 1 LPM, OR, to shelter the weather protection from the wind.

2. A full gas calibration of the sensor as described in the following section, using ONLY theSensepoint Calibration Gas Flow Housing (P/N: 02000-A-1645) for the 705 sensor.

10.1 Zeroing and span calibration

To calibrate the detector, use an appropriate span gas cylinder, constant flow regulator AND the Sensepoint XCD Gassing Cap (see section 4.3). The flow rates used for calibration gas are as follows:

Gas Type Flow rate (L / Min)Flammable 1 to 1.5

A compressed air cylinder (20.9%Vol oxygen) should be used to perform the zero calibration if the area where the detector is located contains any residual amount of the target gas. If no residual gas is present then the background air can be used to perform the zero calibration. Contact your Honeywell Analytics representative for details of suitable calibration kits.

To calibrate the detector follow the procedure below.

Caution: Before initial calibration allow the detector to stabilize for 30 minutes after applying power.

When in zeroing and span calibration mode the current output from the detector is inhibited (default 2mA) to avoid false alarms.

For Flammable gas calibration use a calibration gas concentration of 50%LEL +/-10% for Canada and US applications and between 25% and 95%LEL for other applications

to ensure that the required accuracy can be attained. HIGH OFF SCALE READINGS MAY INDICATE AN EXPLOSIVE CONCENTRATION.


28

(ZERO CALIBRATION)1. If the ambient air is NOT considered reliable to use to set the ZERO, then remove

the weather protection and fit the Gassing Cap accessory (see Section 4.3) onto the sensor and apply a clean source of zero gas or compressed air.

2. To access the calibration menu, hold the end of the magnet over the switch located at the top center of the detector display () for at least 3 seconds and then remove.

3. The display will indicate the first configuration mode menu ‘SEt CAL’.

4. Put the magnet over the ‘’ switch again and move to enter the Calibration menu.

5. The display will show the current gas reading, and the ‘ ’ icon flashes.

6. When the zero gas reading is stable use ‘’ to confirm zero calibration.

7. If successful the display shows ‘ZEro PASS’ (if not successful, the display shows ‘ZEro FAIL’ and returns to configuration mode).

8. If using zero-air, turn it off. Zeroing is complete and saved.

9. The display shows ‘SPAn’ with ‘YES’ flashing.

10.If span calibration is required use ‘’ proceed to the next step. If span calibration is not required, use ‘’ to select ‘No’ and ‘’ to return to configuration mode.


29

(SPAN CALIBRATION)11.The display shows the current calibration span gas concentration while flashing the

‘ ’ icon. Use ‘’ to change the calibration span gas concentration, and ‘’ when required span calibration level is set.

12.The display will show the current gas reading, and the ‘ ’ icon flashes.

13.Connect the regulator to the span gas cylinder.

14.Apply the span gas to the sensor using the Sensepoint XCD Gassing Cap (see section 4.7 for description). The live gas reading is displayed. When the reading is stable, use ‘’ to confirm span calibration.

15.If the sensor has been replaced the following display may be shown.

16.Use ‘’ to select ‘YES’ if the sensor has been replaced or ‘No’ if it has not been replaced.

17.If the span calibration is successful the instrument will briefly display ‘SPAn PASS’ (if fails ‘SPAN FAIL’ displayed and returns to configuration mode).

Note: the calibration due warning counter is reset after a successful calibration. See section 12.3 for further details of setting a calibration due warning.

18.The display alternates between “Purg gAS” and the gas reading to indicate that the unit is expecting the span gas to be removed from the sensor.


30

19.Promptly switch off the calibration span gas and remove the Sensepoint XCD Gassing Cap from the sensor to allow the gas to disperse.

20.When the reading falls below 50% of the calibration gas level the display indicates a countdown .

21. When the countdown is finished, the calibration procedure is complete.

22. The instrument returns to the ‘Set CAL’ menu. Activate the ‘’ or ‘’ switch to select another menu or select ‘QuIT’ to return to normal monitoring mode.

Note: Remember to always replace the Weather Protection and other accessories.


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11 General Maintenance

For remote Flammable sensors used with the XCD RFD Transmitter, please refer to the individual sensor manual for specific recommended calibration periods.

11.1 Operational Life

The equipment should be checked following exposure to known contaminants. Recalibrated if necessary.

The pellistors used in the Catalytic flammable gas sensor can suffer from a loss of sensitivity when in the presence of poisons or inhibitors, e.g. silicones, sulphides, chlorine, lead or halogenated hydrocarbons. The pellistors are poison resistant to maximize the operational life of the Catalytic flammable sensor. A typical operating life, subject to the presence of poisons/inhibitors is 36 months.

Refer to section 12 for sensor replacement procedures.

WARNINGSAccess to the interior of the transmitter, when carrying out any work, must only be

conducted by trained personnel.

Before carrying out any work ensure local regulations and site procedures are followed. Appropriate standards must be followed to maintain the overall certification of the sensor

and transmitter.

To reduce the risk of ignition of hazardous atmosphere, de-classify the area or disconnect the equipment from the supply circuit before opening the transmitter enclosure. Keep


Never attempt to open a junction box/enclosure or replace/refit the sensor in potentially hazardous atmospheres.




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12 Servicing

12.1 Sensor replacement

The sensors that are used with the Sensepoint XCD RFD have no serviceable parts. When they have reached the end of their operational life, simply replace the sensor or the sensor cartridge.

Diagram 13: Sensor Replacement

Only a qualified installation engineer should service the sensor. Ensure power is off before carrying out any maintenance procedures. The only maintenance required is sensor replacement and filter changing (if fitted to an accessory).

Caution: The following procedure should be followed carefully and only performed by suitably trained personnel.

A fault condition will be signalled by the detector if the sensor is removed with the unit under power.

WARNINGS

Take care when handling sensors as they may contain corrosive solutions. Do not tamper or in any way dis-assemble the sensor. Do not expose to temperatures outside the

recommended range. Do not expose sensor to organic solvents or flammable liquids.

Main body of sensor

Fiter

Black plastic retainer


33

WARNING

Ensure that the same Gas Type and Range of Sensor is fitted in place of the old Sensor.

The sensor head must be fitted with the supplied weather protection, and mounted so that the sinter is pointing downward to provide ingress protection IPX6.

The weather protection is a potential electrostatic charging hazard. The manufacturer’s instructions should be observed.

CAUTION

The 4-20mA analog output signal will remain INHIBITED at 2mA (default setting) while the XCD RFD remains in Configuration Mode. However, the ALARM and FAULT RELAYS remain

Active.

Changing the configuration of the Sensor Type or the Gas Star Rating for catalytic sensors may result in temporary activation of the ALARM or FAULT RELAYS.

Should this occur, then recalibrating the sensor will return the XCD RFD to normal condition and reset the relays.

As a precaution, please take necessary action to manually inhibit any external actuator

or alarm devices that are connected to the XCD RFD Alarm/Fault Relays to prevent unnecessary activation during commissioning or reconfiguration of the XCD RFD gas

detector.


34

12.2 Replacing Modules within the Transmitter

Two replaceable module assemblies are located within the transmitter housing. The Display Module and the Terminal Module.

The Display Module is simply removed by unplugging it from the Terminal Module (this procedure is done during normal installation).

To replace the Terminal Module, use the following procedure:

1. Unscrew and remove the Transmitter Cover

2. Lift the handle and un-plug and remove the Display Module.

3. Unplug the connection terminals and lift them clear of the Terminal Module.

4. Unplug the connector for the XCD sensor.

5. Loosen and remove the three “cross-headed” screws that secure the Terminal Module to the Transmitter housing.

6. Carefully lift the Terminal Module from the transmitter housing.

7. Fit the new Terminal Module using the above procedure in reverse order.


35

12.3 Faults and Warnings

The table below provides details of possible error.Message Description Action

W-01 Calibration needed

The unit has not been calibrated for the configured calibration intervalCalibration is necessary due to change of sensor/gas type

W-02 Transmitter Temperaturelimits exceeded Use ‘’ to clear when within limits

W-03 Alarm setting needs to be configured

Re-configure alarm settings such that upper alarm should not exceed user configured scale

W-04* Over-range warning Use ‘’ to clear when within limits

W-05*The sensor is switched off to prevent i t f rom being deteriorated

Make sure that there is no flammable gas in the air and use ‘’ to clear when within limits

F-01 Internal I2C failure Cycle power to detector. Replacedetector

F-02 Cell failure For Flammable/IR, cycle power to detector. Replace sensor

F-03 Significant zero drift Re zero/calibrate

F-04 Unexpected sensor fitted Replace sensor

F-05 EEPROM is corrupted Reset transmitter. If fault still appear, replace transmitter

F-06 Low supply voltage Reset transmitter. If fault still appear, replace transmitter

F-07 SRS processor failure Reset transmitter. If fault still appear, replace transmitter

F-08 RAM read/write fault Reset transmitter. If fault still appear, replace transmitter

F-09 Info. memory corrupted Reset transmitter. If fault still appear, replace transmitter

F-10 Code Memory corrupted Reset transmitter. If fault still appear, replace transmitter

F-11 DAC output failure Check load resistor or sink/source mode switch was configured properly

F-12 Heater failure Reset transmitter. If fault still appear, replace transmitter

F-13 Supplied voltage failure Check supply voltage. Replace detector

*Note : W-04 and W-05 are only for flammable catalytic bead sensors. For other gases, gas reading will blink on the LCD instead of the over-range warning.

Table 9: Fault and Warning List


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13 Menu’s and Advanced Configuration13.1 Abort Function

In Review Mode or Configuration Mode the user can escape one step back from the current position using the Abort Function. To do this the user must activate the Enter switch for more than 3 seconds with the Magnetic Wand. Switching between each pair of modes or between menus and sub menus are shown in the following table.

From To Example

Review Mode Monitoring Mode Activate Enter switch for more than 3 seconds while in Review Mode

Configuration Mode Monitoring ModeActivate Enter switch for more than 3 seconds while navigating menus in the Configuration Mode

Configuration Mode sub menu

Configuration Mode main menu

Activate Enter switch for more than 3 seconds while in a sub menu

Table 10: Transmitter menu switching

13.2 Configuration Mode

The table below shows the functions available via the configuration menu that can be displayed on the transmitter and accessed using the Magnetic Wand.

The instrument will show the main Menu when the “Enter” switch is activated with the Magnetic Wand and held for at least 3 seconds.

The Menu is password protected to prevent any unauthorized changes. The password is initially disabled and the default password is ‘0000’. If the default password is changed to other than ‘0000’, then the password is enabled automatically and requested when entering Configuration Mode.

With the Menu showing, the following functions can be performed: calibration, bump test, sensor selection and configuration of parameters such as measuring range, calibration gas level, calibration interval, inhibit current, inhibit timeout, alarm setting, relay setting, password change, location setting, temperature unit reading, force analogue output and alarm function checks.

While in Configuration mode, the output current of the transmitter is inhibited to prevent false alarms.

Names, displays and descriptions for each menu item in Configuration Mode are shown in the following table.


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Set Calibration

Select Sensor

Select Gas

Set Range

Configure Inhibit

Set Password

Set Calibration Interval

Bump Test

Force Current

Set Alarms

Set Relays

Execute zero/span calibrationSet calibration gas levelAfter zero, the option exists to proceed with span calibration, or return to the Menu.

Select the type of sensor from the sensor list. This menu is only available for flammable / IR sensor.

Select the type of gas from the list. This menu is only available for flammable / IR sensor.

Set measuring range

Select inhibit currentSet timeout option (5 minute increments)

Enable/disable passwordSet passwordDefault – no password (Select ‘0000’)

Set calibration interval, 30 to 365 daysUser configurable option to display warning

Execute a ‘bump’ test to check gas response of the sensor.

Force analogue output to test functionality of GD control system during system commissioning.

Set alarm 1, alarm 2 levels, functionality and operation (none/falling/rising)

Set relay 1,2,3 type (alarm 1, alarm 2, fault and inhibit) and action (energized/de-energized)

Menu Display Description


38

Relay Operation

Set Location

Set Temperature Unit

Check Alarm functions

Set ID

Quit

Configure relay on delay time, relay off delay time and latch/non-latch

Set location (or TAG number)

Change temperature display unit.°C (Celsius) or °F (Fahrenheit)

Simulate alarm situation to check the alarm system without gas present at the sensor

Change ModBus slave ID, baud and parity bit setting(ModBus version only)

Return to Monitoring mode

Table 11: Transmitter menu descriptions


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Diagram 14: Configuration Mode

Menu Switch( > 3 Seconds)

MonitoringMode

Quit/ESC commandAuto quit after no activity of timeout

Abort

Configuration Mode(Inhibited)

Access permitted?

Inhibit mA O/P Yes

No

Set Calibration

Set Range

ConfigureInhibit

Set Password

Set Cal. Interval

Bump Test

Force Current

Set Alarms

Set Relays

Relay Operation

Set Location

Set TemperatureUnit

Test Alarms

Select Gas*

Release mA O/P

Select Sensor*


40

13.2.1 Configuration mode operation table

Configuration mode allows the user to perform calibration and configure parameters such as full scale range, calibration gas level, calibration interval, inhibit current & timeout, alarm settings, relay settings, set a password, etc. To activate Configuration mode hold the magnet over the ENTER switch for at least 3 seconds and then remove. Configuration mode can be password protected to prevent unauthorized personnel from changing parameters. Initially the password is set to ‘0000’ meaning it is disabled. While in Configuration mode, the output current of the detector is inhibited to prevent false alarms.Use the table below to help navigate the menus and make configuration changes. The menus are shown in the left hand column. Use to select the required menu and ‘’ to enter. Follow the information and instructions in the table from left to right from the required menu.

OK OK OK OK

SEt CAL1

GAS NAME, ZERO CONCENTRATION AND

FLASHING ‘ ’ ICON DISPLAYED. APPLY ZERO GAS AND USE ‘’ WHEN

READING IS STABLE. ‘ZEro PASS’ DISPLAYED IF OK,

‘ZEro FAIL’ IF NOT.

‘SPAN’ DISPLAYED AND ‘YES’ FLASHING TO

ASK IF YOU NOW WANT TO PERFORM SPAN

CALIBRATION. USE ‘’ TO PROCEED OR USE TO SELECT ‘No’

AND RETURN TO MENU MODE.

‘GAS’ TARGET CONCENTRATION FLASHING AND ‘ ’ ICON DISPLAYED.

USE TO CHANGE GAS

CONCENTRATION AND ‘’ TO START

SPAN CALIBRATION.

GAS NAME, CURRENT CONCENTRATION AND

FLASHING ‘ ’ ICON DISPLAYED. APPLY

SPAN GAS AND USE ‘’ WHEN READING STABLE.

IF OK ‘PASS’ & ‘PurG’ DISPLAYED (IF FAIL

‘SPAN FAIL’ DISPLAYED AND RETURNS TO

MENU). REMOVE SPAN GAS. WHEN READING <50% OF SPAN POINT,

COUNTDOWN BEGINS & UNIT RETURNS TO MENU

MODE.

SEt rAn9

BAR GRAPH INDICATING CURRENT RANGE, ‘rAn9’ DISPLAYED & CURRENT

RANGE FLASHES. USE TO SELECT DIFFERENT

RANGE

IF RANGE IS CHANGED, ‘CAL’ DISPLAYED AND

‘YES’ FLASHING TO ASK IF YOU NOW

WANT TO PERFORM CALIBRATION. USE ‘’ TO PROCEED OR USE TO SELECT ‘No’.

IF RANGE IS CHANGED, ‘ALrm’ DISPLAYED AND

‘YES’ FLASHING TO ASK IF YOU NOW WANT TO MODIFY ALARM SETTINGS.

USE ‘’ TO PROCEED OR USE TO SELECT ‘No’ AND

RETURN TO MENU MODE.

UNIT RETURNS TO MENU

MODE

ConF Inhb

‘Inhb’ DISPLAYED WITH ‘ ’ ICON FLASHING. CURRENT INHIBIT mA

VALUE FLASHES. USE TO SELECT NEW VALUE

‘tImE’ DISPLAYED WITH ‘ ’ ICON. FLASHING

CURRENT INHIBIT TIMEOUT PERIOD

(MINUTES) FLASHES. USE TO SET

NEW TIMEOUT. (IF SET TO 0 OUTPUT IS PERMANENTLY

INHIBITED)

UNIT RETURNS TO

MENU MODE

SEt PASS

‘PASS’ DISPLAYED WITH FIRST DIGIT PLACE ICON

OF THE PASSCODE FLASHING. USE TO SELECT 1ST DIGIT OF

CURRENT PASSWORD. USE TO MOVE TO NEXT DIGIT AND SET REST OF

PASSCODE.

UNIT RETURNS TO

MENU MODE

CAL Int32

‘Int’ DISPLAYED WITH CURRENT CALIBRATION

INTERVAL FLASHING. USE TO CHANGE

INTERVAL.

‘duE’ DISPLAYED AND ‘No’, ‘LCd’ OR ‘ALL’

FLASHING. USE TO SELECT REQUIRED

CAL DUE WARNING OUTPUT.

UNIT RETURNS TO

MENU MODE


41

bumPtESt

PEAK READING DISPLAYED WITH OUTPUT INHIBITED ‘ ’ ICON AND PEAK STRING FLASHING.

APPLY BUMP TEST GAS AND CHECK PEAK READING ON DISPLAY.

CURRENT GAS CONCENTRATION DISPLAYED WITH

OUTPUT INHIBITED ‘ ’ ICON FLASHING.

UNIT RETURNS TO

MENU MODE

Forc Curr

‘Forc’ DISPLAYED WITH ‘’ ICON. DEFAULT FORCE

CURRENT ‘4.00’ FLASHES. USE TO CHANGE TO

REQUIRED mA LEVEL.

UNIT TRANSMITS THE CURRENT

IF YOU WANT TO EXIT FROM THIS MENU, USE

ABORT FUNCTION

SEt ALrm

‘AL1’, ICON DISPLAYED AND CURRENT ALARM

LEVEL 1 CONCENTRATION FLASHES. USE TO CHANGE TO REQUIRED

CONCENTRATION LEVEL.

‘AL1’ DISPLAYED WITH ‘NonE’, ‘rISE’ OR ‘FALL’ FLASHING. USE

TO SELECT REQUIRED ALARM ACTION.

‘AL2’, ICON DISPLAYED

AND CURRENT ALARM LEVEL 2

CONCENTRATION FLASHES. USE TO CHANGE

TO REQUIRED CONCENTRATION

LEVEL.

‘AL2’ DISPLAYED WITH ‘NonE’, ‘rISE’ OR ‘FALL’ FLASHING. USE

TO SELECT REQUIRED ALARM ACTION AND USE ‘’ TO RETURN TO MENU

MODE.

SetrLY

‘rL1’ DISPLAYED AND ‘AL1’, ‘AL2’, ‘Inht’ or ‘FLt’ FLASHES. USE TO CHANGE TO REQUIRED

RELAY TARGET.

‘rL1’ DISPLAYED AND ‘dEEn’ or ‘Enr9’

FLASHES. USE TO CHANGE TO REQUIRED

RELAY ACTION.

‘Rl2’ DISPLAYED AND ‘AL1’, ‘AL2’, ‘Inht’ or ‘FLt’ FLASHES. USE TO CHANGE TO REQUIRED RELAY

TARGET.

‘rL2’ DISPLAYED AND ‘dEEn’ or ‘Encr9’ FLASHES.

USE TO CHANGE TO REQUIRED RELAY

ACTION.

‘rL3’ DISPLAYED AND ‘AL1’, ‘AL2’, ‘Inht’ or ‘FLt’ FLASHES. USE TO CHANGE TO REQUIRED

RELAY TARGET.

‘rL3’ DISPLAYED AND ‘dEEn’ or ‘Enr9’


RELAY ACTION.

UNIT RETURNS TO

MENU MODE

rlYOPr

‘rLY’, ‘ON’ DISPLAYED AND CURRENT RELAY-ON TIME


RELAY-ON DELAY.

‘rLY’, ‘OFF’ DISPLAYED AND CURRENT RELAY-

OFF TIME FLASHES. USE TO CHANGE TO REQUIRED RELAY-

OFF DELAY.

‘Ltch’ DISPLAYED AND ‘YES’ or ‘No’

FLASHES. USE TO CHANGE TO

REQUIRED LATCH OPTION.

UNIT RETURNS TO MENU

MODE

SetLoc

‘Loc’ DISPLAYED WITH FIRST 4 CHARACTERS OF THE LOCATION STRING. USE TO CHANGE THE

1ST CHARACTER OF CURRENT LOCATION

STRING. USE TO MOVE TO NEXT CHARACTER

AND SET REST OF STRING. MAXIMUM 12 CHARACTERS CAN BE

SET.

‘Loc’ DISPLAYED NEW LOCATION STRING. THE STRING MOVES RIGHT-

TO-LEFT TO SHOW WHOLE CHARACTERS

TWICE. THEN UNIT AUTOMATICALLY

RETURNS TO MENU MODE.

tEmPUnIt

‘tEmP’ DISPLAYED WITH ‘°C’ OR ‘°F’ FLASHING.

USE TO CHANGE TO REQUIRED TEMPERATURE

UNIT.

UNIT RETURNS TO

MENU MODE

tEStALrm

‘Forc’ DISPLAYED and ’AL1’ FLASHING TO SELECT

TEST-REQURED ALARM. USE ‘’ TO FORCE

ALARM1.

GAS NAME, CURRENT GAS CONCENTRATION

DISPLAYED AND ‘’ ICON AND AL ICON

FLASH.

UNIT RETURNS TO

MENU MODE

9uIt QUITS MENU MODE AND

RETURNS TO MONITORING MODE

OK OK OK OK 1 Refer to section 10.1 for detailed zero and span calibration procedures. Re-calibrate the detector if left un-powered for periods in excess of 24 hours.2 The calibration due warning counter is automatically reset after a successful calibration.

Table 12. Configuration Mode Operation


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13.3 Sensor / Gas Selection

13.3.1 Sensor Selection

“Select Sensor” sets the identity of the type of mV sensor attached to the XCD RFD when it does not detect the sensor type automatically. The available mV sensors:

Cb-6 705 100%LEL remote (UL and CSA Certified)Cb-7 705 HT 100%LEL remote (UL certified)

Selecting ‘’ will move the operator to the Select Sensor screen. The first screen displays the currently configured sensor. To select a new mV sensor like remote type sensors use‘’ to move through the list, and then use ‘’ to make the selection or discard the selection and return to menu mode by using abort function. If type of sensor is changed, calibration prompt will appear to ask if you want to perform calibration.

Diagram 15: Sensor Selection13.3.2 Gas Selection

Use “SEL gAS” to set the target gas for sensors capable of detecting multiple gases. The available gases:

Sensor type Gas type Gas Name displayedCb-6 Str 1 to Str 8 FLMCb-7 Str 1 to Str 8 FLM

705 Sensor 705HT Sensor705 705HT Calibration gas Adjust to Calibration gas Adjust to

Hydrogen *6 *6 50% Hydrogen/air 50% 50% Hydrogen/air 50%Methane *6 *7 50% Methane/air 50% 50% Methane/air 50%Butane *3 *4 50% Butane/air 50% 50% Butane/air 50%Propane *3 *5 50% Propane/air 50% 50% Propane/air 50%Pentane *2 *4 50% Pentane/air 50% 50% Pentane/air 50%Ethylene *4 *6 50% Ethylene/air 50% 50% Ethylene/air 50%

Gas selection is dependent on the type of sensor attached to the XCD RFD. Add provided chart with common gases. When Cb-6/Cb-7 sensor is attached to the XCD RFD, a user can select the gas from Str1 (1*) to Str8 (8*). For more information on star rating, please refer to section 19.2.


43

The current configuration of the XCD RFD is displayed and by using the ‘’ switch to enter “SEL gAS” menu. To select a flammable gas, use ‘’ to move through the list, and then use ‘’ to make the selection or abort function to discard the selection and return to menu mode.

If type of gas is changed, calibration prompt will appear to ask if you want to perform calibration.

Diagram 16: Gas Selection

...

CAUTION

The 4-20mA analogue output signal will remain INHIBITED at 2mA (default setting) while the XCD RFD remains in Configuration Mode. However, the ALARM and FAULT RELAYS remain

Active.

Changing the configuration of the Sensor Type or the Gas Star Rating for catalytic sensors may result in temporary activation of the ALARM or FAULT RELAYS.

Should this occur, recalibrating the sensor will return the XCD RFD to normal condition and reset the relays.

As a precaution, please take necessary action to manually inhibit any external actuator

or alarm devices that are connected to the XCD RFD Alarm/Fault Relays to prevent unnecessary activation during commissioning or reconfiguration of the XCD RFD gas

detector.

For CSA Certified applications, use CB-6 calibrated only to Methane.


44

13.4 Review Mode

The instrument will enter Review mode when the “Enter” switch is activated with the Magnetic Wand and held for around one second.

Names, displays and descriptions for each review item in Review Mode are shown in the following table.

Software version

SRS version

EEP version

Gas

Measuring range

Calibration level

Calibration due

Alarm 1

Alarm 2

Item name Display Description

S/W version of transmitter

S/W version of SRS (watch dog)

EEPROM parameter version

Gas type

A user selected measuring range

Calibration gas level

Estimated time to next calibration

Alarm settings for Alarm 1

Alarm settings for Alarm 2


45

Location

Power

Temperature

Peak conc.

Test Result

Location in which the transmitter is installed

Power voltage*

Internal Transmitter temperature*

Maximum concentration detected up to now

There is no fault detected.

Table 13: Transmitter menu descriptions

Note:*Power voltage and internal transmitter temperature may be different from actual value due to measuring accuracy and internal heating components.


46

Diagram 17: Review Mode

MonitoringMode

ReviewMode

Menu Switch(1s to 3s)

Auto end to cycleS/W Version

Measuring Range

Calibration Gas Level

EEPROM Version

2 second delay

2 second delay

2 second delay

2 second delay

Calibration Due

2 second delay

Test Result

2 second delay

Peak Reading

Temperature

2 second delay

2 second delayGas Type Supplied input voltage

2 second delay

Location

2 second delay

SRS Version

Alarm Setting

2 second delay

2 second delay


47

14 General specification

Certification

Electrical

Sensepoint XCD Transmitter Use 3-wire, 4-20mA, gas detector transmitter for use with remotely mounted flammable gas detectors.

Input Voltage Range: Max Power Consumption:

Current output ≥0.0<1.0 mA 4.0 mA to 20.0 mA 2.0 mA or 4.0 mA22.0 mA Terminals

Relays

Communication

16 to 32Vdc (24Vdc nominal) Max 5 Watts. at 24Vdc (see section 2 regarding maximum in rush current) 4-20mA (Source or Sink) Fault (refer to table 5 section 12.3 for further details). Normal gas measurement Inhibit (during configuration/user settings) Maximum over range 15 x screw terminals suitable for wire diameter 0.5mm2 to 2.5mm 2 (20AWG to 13AWG). 3 x 5A@250VAC. Selectable normally open or normally closed (switch) and energized/de-energized (programmable). RS485, Modbus RTU(Pending)

ConstructionMaterial Epoxy painted aluminum alloy or 316 Stainless SteelWeight Aluminum alloy: 1.7kg, 316 Stainless Steel: 3.7kgMounting Pole or wall mounting Cable EntriesSensor Entries

2 x 3/4"NPT (for cCSAus/UL Approval)3/4"NPT (for cCSAus/UL Approval)

Detectable Gases & Performance (See notes below)

InternationalNorth America

CE EN50270:2006 EN6100-6-4:2007

Performance C22.2-152, ISA 121301

Environmental

IP Rating IP66 in accordance with EN60529:1992, NEMA 4X (Tested by third party laboratory)

Operating Temperature

-40ºC to +65ºC/ -40ºF to +149ºF, (IR: -20ºC to +50ºC/ -4ºF to +122ºF). Note: The detector display may become illegible at temperatures below -20°C, but the detector continues its gas monitoring function. The display is not damaged and recovers when the temperature rises back above -20 °C.

Operating Pressure 90-110kPa

Storage Conditions -25°C to +65°C (-13°F to +149°F)

Gas Selectable Full Scale Range

Default Range

Steps Selectable Cal Gas Range

Default Cal Point

Response Time (T60)

Secs

Response Time (T90)

Secs

Accuracy Operating Temperature

Min Max

Default Alarm Points

A1 A2

705 Standard Temperature Sensor

25 to 95% of selected full scale range

Flammable 1 to 8* 20 to 100%LEL 100%LEL 10%LEL 50%LEL <25 <+/- 1.5%LEL -55°C / -67°F 80°C / 176°F 20%LEL 40%LEL

705 High Temperature Sensor

Flammable 1 to 8* 20 to 100%LEL 100%LEL 10%LEL 50%LEL <6 <10 <+/- 1.5%LEL -55°C / -67°F 150°C / 302°F 20%LEL 40%LEL

- Rising Alarm - Falling Alarm*Contact Honeywell Analytics for availability

Flammable 1 to 8* 20%LEL 20%LEL n/a 10%LEL <25 <+/- 1.5%LEL -55°C / -67°F 150°C / 302°F 10%LEL 15%LEL

HydrogenMethaneButanePropanePentaneEthylene

705*6*6*3*3*2*4

705HT*6*7*4*5*4*6

705 SensorCalibration gas50% Hydrogen/air50% Methane/air50% Butane/air50% Propane/air50% Pentane/air50% Ethylene/air

Adjust to50%50%50%50%50%50%

705HT SensorCalibration gas50%Hydrogen/air50%Methane/air50%Butane/air50%Propane/air50%Pentane/air50%Ethylene/air

Adjust to50%50%50%50%50%50%

NOTESPerformance figures are taken at 20~25;1. measured using a sample humidity of 50%RH, applicable between 10 and 90% of full scale,2. measured using test units calibrated at 50% of full scale,3. measured at 1000cc/min for Methane CAT, 500cc/min for Methane IR with calibration cup (S3KCAL).Response time (T90) may increase when operating in lower or higher temperature conditions or when gas is introduced with the Weather Protection accessory (SPXCDWP) fitted. Should it be exposed to other HC then non linear response is expected. For linearised operation other than Methane contact HA for alternate parts. This calibration enables 100% functional test prior to dispatch.

This calibration does not remove need for calibration & test as part of commissioning at site. For gases other than Methane the unit has to be calibrated at site using target gas.Data represents typical values, and system conditioning may be required to achieve stated result. Contact HA for details.

* Extended operating temperature range of -40°C to +65°C (-40°F to +149°F) for all sensor , with an accuracy of +/- 30% of applied gas from -20°C to -40°C (-4°F to -40°F) and +55°C to +65°C (+131°F to +149°F). Long term operation at this range may cause decline in sensor performance.

Contact Honeywell Analytics for any additional data or details.

Operating Humidity Continuous 20-90%RH (non condensing), Intermittent 10-99%RH (non condensing)

IEC Ex II 2 GD Ex d IIC Gb T6(Ta -40ºC to +65ºC) Ex tb IIIC T85ºC Db IP66cCSAus Class I, Division 1, Groups B, C & D

Latin America Inmetro, Ex d IIC T6 Gb; Ex tb IIIC T85°C Db IP66, -40°C < Ta < +65°C; Ex d IIC T5 Gb, Ex tb IIIC T 100°C Db, IP66 -40°C < Ta < +75°C

Note: Performance approval is based on the standard 705 sensor calibrated to Methane


48

15 Ordering information

Part number Description

Sensepoint XCD RFD transmitter (LM25)

SPXCDULNRFD cCSAus approved SP XCD RFD Transmitter with LM25, 3/4“NPT Entry, without MODBUS

SPXCDULNRFDM cCSAus approved SP XCD RFD Transmitter with LM25, 3/4“NPT Entry, with MODBUS

Sensepoint XCD RFD transmitter (316SS)

SPXCDUSNRFD cCSAus approved SP XCD RFD Transmitter with 316SS, 3/4“NPT Entry, without MODBUS

SPXCDUSNRFDM cCSAus approved SP XCD RFD Transmitter with 316SS, 3/4“NPT Entry, with MODBUS

Replacement Sensor

00705-A-1733 Standard (UL/CSA) LEL Version, -55’C to +80’C, Aluminum, 3/4NPT Version, UL/CSA Certification

00705-A-1735 High Temperature (UL) LEL Version, -40’C to +150’C, Aluminum, 3/4NPT Version, UL Certification

Sensepoint XCD Accessories

SPXCDSDP Sunshade / Deluge Protection

Sensepoint / 705 Accessories

2430-0021 UL/CSA Aluminum 3 wire Junction Box Assembly

02000-A-1642 Collecting Cone

00780-A-0035 Calibration Gas Flow Housing for 705 Sensors

00780-A-0076 Weather Protection Stainless Steel for high temps.

02000-A-1635 Weather Protection Housing for 705 Sensors

1283-1047 Duct Mount Adaptor Assembly (Requires PN# 1283-1084)

Sensepoint XCD Spares

SPXCDDMR Replacement display module for RFD (4~20mA), without MODBUS

SPXCDTMR Replacement terminal module for RFD (4~20mA)

SPXCDDMRM Replacement display module for RFD (4~20mA), with MODBUS

SPXCDNPTP 3/4“ NPT Plug

SPXCDMAG Magnet

SPXCDAKS Allen key for stopper

SPXCDHWES Hex wrench for earth screw

SPXCDEBS Earth Bracket and Screws

Sensepoint Spares

00780-F-0018 Stainless steel filter, High temperature LEL Version, -40°C to +150°C

00780-C-0038 Filter Housing, High temperature LEL Version, -40°C to +150°C

Kits (All Kits include transmitter, sensor, and junction box)

XCDRFDL cCSAus approved SPXCD RFD Transmitter with LM25, 3/4“NPT Entry,

aluminum, 705 sensor, and 3 wire junction box

XCDRFDLH cCSAus approved SPXCD RFD Transmitter with LM25, 3/4“NPT Entry, aluminum,

705 High Temp sensor and 3 wire junction box

XCDRFDLM cCSAus approved SPXCD RFD Transmitter with LM25, 3/4“NPT Entry, MODBUS, aluminum,

705 sensor, and 3 wire junction box


49

XCDRFDLMH cCSAus approved SPXCD RFD Transmitter with LM25, 3/4“NPT Entry, MODBUS, aluminum,

705 High Temp sensor, and 3 wire junction box

XCDRFDS cCSAus approved SPXCD RFD Transmitter with 3/4“NPT Entry, 316SS,

with 705 sensor, and 3 wire junction box

XCDRFDSH cCSAus approved SPXCD RFD Transmitter with 3/4“NPT Entry, 316SS,

705 High Temp sensor, and 3 wire junction box

XCDRFDSM cCSAus approved SPXCD RFD Transmitter with 3/4“NPT Entry, MODBUS,

316SS, 705 sensor, and 3 wire junction box

XCDRFDSMH cCSAus approved SPXCD RFD Transmitter with 3/4“NPT Entry, MODBUS,

316SS, 705 High Temp sensor, and 3 wire junction box

**Contact Honeywell Analytics for availability.


50

16 Warranty statementAll products are designed and manufactured to the latest internationally recognized standards by Honeywell Analytics under a Quality Management system that is certified to ISO 9001. As such Honeywell Analytics warrants its products against defective parts and workmanship and will repair or (at its option) replace any instruments which are or may become defective under proper use within 12 months from date of commissioning by an approved Honeywell Analytics representativeor 18 months from date of shipment from Honeywell Analytics, whichever is the sooner. This warranty does not cover disposable batteries or damage caused by accident, abuse, abnormal operating conditions or poisoning of sensor.

Defective goods must be returned to Honeywell Analytics premises accompanied by a detailed description of any issue. Where return of goods is not practicable Honeywell Analytics reserves the right to charge for any site attendance where any fault is not found with the equipment. Honeywell Analytics shall not be liable for any loss or damage whatsoever or howsoever occasioned which may be a direct or indirect result of the use or operation of the Contract Goods by the Buyer or any Party.

This warranty covers instrument and parts sold to the Buyer only by authorized distributors, dealers and representatives as appointed by Honeywell Analytics. The warranties set out in this clause are not pro rata, i.e. the initial warranty period is not extended by virtue of any works carried out there under.

In no event will Honeywell Analytics be liable for any incidental damages, consequential damages, special damages, punitive damages, statutory damages, indirect damages, loss of profits, loss of revenues, or loss of use, even if informed of the possibility of such damages. Honeywell Analytic's liability for any claims arising out of or related to this product will in no case exceed the order value. To the extent permitted by applicable law, these limitations and exclusions will apply regardless of whether liability arises from breach of contract, warranty, tort (including but not limited to negligence), by operation of law, or otherwise.


51

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A3

THIS ITEM FORMS PART OF A CERTIFIED PRODUCT

NO MODIFICATION PERMITTED WITHOUT

REFERENCE TO CERTIFICATION DEPARTMENT

APP'D

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59

18.1 North America cCSAus18 Certification

Supplement to Certificate of Compliance

Certificate: 2404330 Master Contract: 246287

DQD 507 Rev. 2012-05-22 Page: 1

The products listed, including the latest revision described below, areeligible to be marked in accordance with the referenced Certificate.

Product Certification History

Project Date Description

2524595 September 28, 2012 Update to report 2404330 to add Model XCD/RFD as CL I, Div 1, Groups B, Cand D .

2404330 July 22, 2011 Original Certification.


60

Certificate of ComplianceCertificate: 2404330 Master Contract: 246287

Project: 2524595 Date Issued: September 28, 2012

DQD 507 Rev. 2012-05-22 Page: 1

Issued to: Honeywell Analytics Inc.

405 Barclay BlvdLincolnshire, IL 60069USAAttention: John Stratman

The products listed below are eligible to bear the CSAMark shown with adjacent indicators 'C' and 'US' for

Canada and US or with adjacent indicator 'US' forUS only or without either indicator for Canada only.

Glenn Black

Issued by: Glenn Black

PRODUCTSCLASS 4828 81 - SIGNAL APPLIANCES-Combustible Gas Detection Instruments - For

Hazardous Location-Certified to U.S. StandardsCLASS 4828 01 - SIGNAL APPLIANCES - - Combustible Gas Detection Instruments-For

Hazardous LocationsCLASS 4828 82 - SIGNAL APPLIANCES-Toxic Gas Detection Instruments - For Hazardous

Locations. Certified to U.S. StandardsCLASS 4828 02 - SIGNAL APPLIANCES - Toxic Gas Detection Instruments - For

Hazardous Locations

CLASS 4828 02

Ex d IIB+H2;

Class I, Div. 2, Groups B, C and D;

Sensepoint XCD/RTD Stationary Toxic gasses & Oxygen Gas Transmitter, Input rated 16 to 32 VDC, 3 wattsmax. Temperature code T4, Relay ratings 3X5A@250VAC, with or without RS-485 Module, Tamb -40 Deg.C to +65 Deg. C. For use with integral Sensepoint Toxic/oxygen sensor head p/n 2106B18xx or with remotejunction box fitted with Sensepoint Toxic/oxygen sensor head p/n 2106B18xx when installed per controldrawing 3001EC088.


61



DQD 507 Rev. 2012-05-22 Page: 2

Note: XX may be 00 to 02, 05 to 07, 10 to 18, 20 to 22 and 30 depending on which gas cell is installed in theSensepoint Toxic sensor head.

Ex d ia IIC;


Sensepoint Toxic sensor head p/n 2106B18xx(Toxic gasses & Oxygen), Input rated 32 VDC, 0.9 watts max.Temperature code T4 when installed per control drawing 3001EC088.


CLASS 4828 82

Class I, Zone 1, AEx d IIB+H2;

Sensepoint XCD/RTD Stationary Toxic gasses & Oxygen Gas Transmitter, Input rated 16 to 32 VDC, 3 wattsmax. Temperature code T4, Relay ratings 3X5A@250VAC, with or without RS-485 Module, Tamb -40 Deg.C to +65 Deg. C. For use with integral Sensepoint Toxic/oxygen sensor head p/n 2106B18xx or with remotejunction box fitted with Sensepoint Toxic/oxygen sensor head p/n 2106B18xx when installed per controldrawing 3001EC088.


Class I, Zone 1, AEx d ia IIC Gb;


Sensepoint Toxic sensor head p/n 2106B18xx(Toxic gasses & Oxygen), Input rated 32 VDC, 0.9 watts max.Temperature code T4 when installed per control drawing 3001EC088.



62



DQD 507 Rev. 2012-05-22 Page: 3

CLASS 4828 01

CLASS 4828 81

Class I, Division 1, Groups B, C and D;

Sensepoint XCD/RFD Stationary Combustible Gas Transmitter, Input rated 16 to 32 VDC, 5 watts max.Temperature code T4, Relay ratings 3X5A@250VAC, with or without RS-485 Module, Tamb -40 Deg. C to+65 Deg. C. For use with integral Model 705 combustible sensor head p/n 705-A-1733 or with remote junctionbox p/n 2430-0021 fitted with Model 705 combustible sensor head p/n 705-A-1733 when installed per controldrawing 3001EC091. The Model 705 combustible sensor head may be optionally fitted with the StandardWeather Protection p/n 002000-A-1640.

APPLICABLE REQUIREMENTS

CAN/CSA-C22.2 No. 0-M91 - General Requirements – Canadian Electrical Code, Part II

CAN/CSA-C22.2 No. 60079-0:07 - Electrical apparatus for explosive gas atmospheres - Part 0: GeneralRequirements

ANSI/UL 60079-0:09 - Electrical Apparatus for Explosive Gas Atmospheres - Part 0: General Requirements

CAN/CSA-E60079-11:02 - Electrical apparatus for explosive gas atmospheres - Part 11: Intrinsic Safety "i"CAN/CSA-E60079-11:02

ANSI/UL 60079-11:09 - Electrical apparatus for Explosive Gas Atmospheres - Part 11: Intrinsic Safety “i”

CAN/CSA-C22.2 No. 60079-1:07 - Electrical apparatus for explosive gas atmospheres - Part 1: Flameproofenclosures "d".

ANSI/UL 60079-1:09 - Electrical Apparatus for Explosive Gas Atmospheres - Part 1: Flameproof Enclosures“d”

C22.2 No. 30-M1986 - Explosion-Proof Enclosures for Use in Class I Hazardous Locations

C22.2 No. 142-M1987 - Process Control Equipment

CSA Std C22.2 No. 152-M1984 - Combustible Gas Detection Instruments

C22.2 No. 213-M1987 - Non-Incendive Electrical Equipment for Use in Class I, Division 2 HazardousLocations

UL 508 17th Ed.- Industrial Control Equipment


63



DQD 507 Rev. 2012-05-22 Page: 4

UL 1203 (4th Ed.)- Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous(Classified) Locations

ANSI/ISA -12.12.01-2010 - Non-Incendive Electrical Equipment for Use in Class I and II, Division 2 and ClassIII, Divisions 1 and 2 Hazardous( Classified) Locations.

ANSI/ISA 12.13.01-2000 - Performance Requirements for Combustible Gas Detectors


64

18.2 Inmetro Certificates

DET NORSKE VERITAS CERTIFICADO DE CONFORMIDADE

Certificado nº: DNV 13.0006 Válido até: 09/05/2016 Certificate #/Certificado nº Validity Term/Fecha de Vencimiento

DET NORSKE VERITAS CERTIFICADORA LTDA. - AV. ALFREDO EGYDIO DE SOUZA ARANHA, 100 - BLOCO D - 3º ANDAR - São Paulo, SP, Brasil 1/3 CNPJ 00.603.542/0002-30 - Tel: + 55 11 3305 33 05 - www.dnvba.com.br

Produto: Product/Producto

TRANSMISSOR PARA DETECÇÃO DE GÁS

Tipo / Modelo: Type – Model/Tipo – Modelo

XCD/RFD

Solicitante: Applicant/Solicitante HONEYWELL ANALYTICS INC.

405 Barclay Boulevard, Lincolnshire Ilinois, 60069, USA

Fabricante: Manufacturer/Fabricante

SESUNG CO., LTD. # 743-103, Eoro-2-Ri, Buksam-Eup, Chilgok-Gun Gyeongsang-BukDo, South Korea HONEYWELL CO., LTD. 56, Chaam-dong, Seobuk-Gu, Cheonan-si, Choongcheongnam-do, 330-200 – South Korea

Normas Técnicas: Standards/Normas

ABNT NBR IEC 60079-0:2008, ABNT NBR IEC 60079-1:2009 e ABNT NBR IEC 60079-31:2011

Laboratório de Ensaio: Testing Laboratory/Laboratorio de Ensayo

Baseefa

Nº do Relatório de Ensaios: Test Report Number/Nº del informe de Ensayo

Baseefa nº GB/BAS/ExTR08.0149/00 de 31/11/2008 Baseefa nº GB/BAS/ExTR10.0152/00 de 06/07/2010 Baseefa nº GB/BAS/ExTR11.0196/00 de 23/08/2011 Baseefa nº GB/BAS/ExTR12.0122/00 de 02/05/2012

Observações: Notes/Observaciones

Certificado emitido com base no Modelo 5 com Avaliação do Sistema de Gestão da Qualidade do Fabricante e Ensaios no Produto, conforme cláusula 6.1 dos Requisitos de Avaliação da Conformidade, anexo à Portaria nº 179 do INMETRO, publicada em 2010.

Portaria: Governmental Regulation/Regulación Oficial

INMETRO n° 179 de 2010.

Data de Emissão: Date of issue/Fecha de Otorgamiento

São Paulo, 09 de Maio de 2013.

Adriano Marcon Duarte Gerente de Operações

Operations Manager

Heleno dos Santos Ferreira Especialista para Atmosferas Explosivas

Specialist for Explosive Atmospheres Nota: Este Certificado está sujeito aos termos e condições e qualquer mudança significativa no projeto ou construção pode tornar este Certificado inválido. O documento assinado digitalmente e distribuído eletronicamente é o original do certificado e válido. Ref:. www.dnvba.com/br/Certificacao/Pages/assinatura-digital.aspx


65




Descrição do Equipamento: O transmissor para detecção de gás modelo XCD/RFD consiste de um invólucro cilíndrico fabricado em liga de alumínio ou aço inoxidável com tampa roscada e visor de vidro temperado, o invólucro do transmissor possui três furos, sendo duas entradas roscadas para conexão elétrica e uma para o sensor de gás ou sensor tóxico. No interior do invólucro esta alojada a eletrônica e a unidade display. Características Elétricas: Tensão de alimentação: 32 Vcc, 3,5 W. Análises e ensaios realizados: As análises e os ensaios realizados encontram-se no arquivo nº DNV 13.0006. Documentação descritiva:

Documento Páginas Descrição Rev. Data IECEx BAS 08.0072 3 Certificado de Conformidade 0 10/11/2008 IECEx BAS 08.0072 4 Certificado de Conformidade 1 08/12/2009 IECEx BAS 08.0072 4 Certificado de Conformidade 2 06/07/2010 IECEx BAS 08.0072 4 Certificado de Conformidade 3 23/08/2011 IECEx BAS 08.0072 4 Certificado de Conformidade 4 22/05/2012 IECEx BAS 08.0072 4 Certificado de Conformidade 5 03/01/2013

IECEx BAS 08.0072/PT/07/08 1 Certificado de Conformidade 0 31/10/2008 GB/BAS/ExTR08.0149/00 16 Relatório de ensaios 0 31/10/2008 GB/BAS/ExTR09.0241/00 3 Relatório de ensaios 0 03/12/2009 GB/BAS/ExTR10.0152/00 3 Relatório de ensaios 0 30/06/2010 GB/BAS/ExTR11.0196/00 4 Relatório de ensaios 0 16/08/2011 GB/BAS/ExTR12.0122/00 4 Relatório de ensaios 0 14/05/2012

Marcação: O transmissor para detecção de gás foi aprovado nos ensaios e análises, nos termos das normas adotadas, devendo receber a marcação, levando em consideração o item observações.

Ex d IIC T6 Gb Ex tb IIIC T85 ºC Db IP66 -40°C ≤ Ta ≤ +65°C

Ex d IIC T5 Gb Ex tb IIIC T100 ºC Db IP66 -40°C ≤ Ta ≤ +75°C


66




Observações: 1. Este Certificado de Conformidade é válido para os produtos de modelo e tipo idêntico ao protótipo ensaiado.

Qualquer modificação de projeto ou utilização de componentes e materiais diferentes daqueles descritos na documentação deste processo, sem autorização prévia da DNV, invalidará o certificado.

2. É responsabilidade do fabricante assegurar que os produtos fabricados estejam de acordo com as especificações

do protótipo ensaiado, através de inspeções visuais e dimensionais. 3. Os produtos devem ostentar, na sua superfície externa e em local visível, a Marca de Conformidade e as

características técnicas da mesma de acordo com as especificações da ABNT NBR IEC 60079-0 / ABNT NBR IEC 60079-1 / ABNT NBR IEC 60079-31 e Requisitos de Avaliação da Conformidade, anexo à Portaria INMETRO nº 179 de 2010. Esta marcação deve ser legível e durável, levando-se em conta possível corrosão química.

4. Os produtos devem ostentar, em lugar visível e de forma indelével, a seguinte advertência:

“ATENÇÃO – NÃO ABRA QUANDO ENERGIZADO” 5. Os acessórios para instalação tais como: prensa-cabos, unidade seladora, etc devem ser certificados como à prova

de explosão, adequados para as condições de uso e corretamente instalados. 6. As atividades de instalação, inspeção, manutenção, reparo, revisão e recuperação dos produtos são de

responsabilidade do usuário e devem ser executadas de acordo com os requisitos das normas técnicas vigentes e com as recomendações do fabricante.

Projeto nº: PRJC-437778-2013-PRC-BRA Histórico:

Revisão Descrição Data 0 Certificação inicial – Efetivação 09/05/2013


67


Certificado nº: DNV 13.0039 X Válido até: 09/05/2016 Certificate #/Certificado nº Validity Term/Fecha de Vencimiento


Produto: Product/Producto

SENSOR DE GÁS

Tipo / Modelo: Type – Model/Tipo – Modelo

705

Solicitante: Applicant/Solicitante HONEYWELL ANALYTICS INC.

405 Barclay Boulevard, Lincolnshire Ilinois, 60069, USA

Fabricante: Manufacturer/Fabricante

HONEYWELL ANALYTICS LTD. Hatch Pond House, 4 Stinsford Road, Nuffield Estate, Poole, Dorset, BH17 0RZ, United Kingdom

Normas Técnicas: Standards/Normas

ABNT NBR IEC 60079-0:2008, ABNT NBR IEC 60079-1:2009 e ABNT NBR IEC 60079-31:2011

Laboratório de Ensaio: Testing Laboratory/Laboratorio de Ensayo

Underwriters Laboratories Inc (UL)

Nº do Relatório de Ensaios: Test Report Number/Nº del informe de Ensayo

UL nº E91044 de 13/03/2006

Observações: Notes/Observaciones

Certificado emitido com base no Modelo 5 com Avaliação do Sistema de Gestão da Qualidade do Fabricante e Ensaios no Produto, conforme cláusula 6.1 dos Requisitos de Avaliação da Conformidade, anexo à Portaria nº 179 do INMETRO, publicada em 2010.

Portaria: Governmental Regulation/Regulación Oficial

INMETRO n° 179 de 2010.

Data de Emissão: Date of issue/Fecha de Otorgamiento

São Paulo, 09 de Maio de 2013.

Adriano Marcon Duarte Gerente de Operações

Operations Manager

Heleno dos Santos Ferreira Especialista para Atmosferas Explosivas

Specialist for Explosive Atmospheres Nota: Este Certificado está sujeito aos termos e condições e qualquer mudança significativa no projeto ou construção pode tornar este Certificado inválido. O documento assinado digitalmente e distribuído eletronicamente é o original do certificado e válido. Ref:. www.dnvba.com/br/Certificacao/Pages/assinatura-digital.aspx


68




Descrição do Equipamento: O sensor de gás modelo 705 consiste de um invólucro sextavado de alumínio para o sensor e um sensor de cartucho fabricado em aço inoxidável. Os cabos para conexão do sensor ao transmissor emergem do encapsulamento por uma das extremidades com rosca macho de ¾” NPT, na outra extremidade o sensor de cartucho e o disco sinterizado de aço inoxidável são mantidos juntos no invólucro do sensor por uma anel roscado. O sensor de gás modelo 705 é energizado com até 35 Vcc, 100 mA e 3,5 W. Análises e ensaios realizados: As análises e os ensaios realizados encontram-se no arquivo nº DNV 13.0039. Documentação descritiva:

Documento Páginas Descrição Rev. Data E91044 28 Relatório de ensaios - 13/03/2006

Marcação: O sensor de gás foi aprovado nos ensaios e análises, nos termos das normas adotadas, devendo receber a marcação, levando-se em consideração o item observações.

Ex d IIB T6 Gb Ex tb IIIC T85 °C Db IP6X -25 °C ≤ Ta ≤ +75 °C

Observações: 1. O certificado é finalizado pela letra X para indicar as seguintes restrições no uso:

Os cabos de alimentação devem ser protegidos contra impactos e serem terminados adequadamente. 2. Este Certificado de Conformidade é válido para os produtos de modelo e tipo idêntico ao protótipo ensaiado.

Qualquer modificação de projeto ou utilização de componentes e materiais diferentes daqueles descritos na documentação deste processo, sem autorização prévia da DNV, invalidará o certificado.

3. É responsabilidade do fabricante assegurar que os produtos estejam de acordo com as especificações do protótipo

ensaiado, através de inspeções visuais e dimensionais.


69




4. Os produtos devem ostentar, na sua superfície externa e em local visível, a Marca de Conformidade e as

características técnicas da mesma de acordo com as especificações da ABNT NBR IEC 60079-0 / ABNT NBR IEC 60079-1 / ABNT NBR IEC 60079-31 e Requisitos de Avaliação da Conformidade, anexo à Portaria INMETRO nº 179 de 2010. Esta marcação deve ser legível e durável, levando-se em conta possível corrosão química.

5. Os produtos devem ostentar, na sua superfície externa e em local visível, a seguinte advertência:

“ATENÇÃO - NÃO SEPARE QUANDO ENERGIZADO” 6. As atividades de instalação, inspeção, manutenção, reparo, revisão e recuperação dos produtos são de

responsabilidade do usuário e devem ser executadas de acordo com os requisitos das normas técnicas vigentes e com as recomendações do fabricante.

Projeto nº: PRJC-437778-2013-PRC-BRA Histórico:

Revisão Descrição Data 0 Certificação inicial – Efetivação 09/05/2013


70

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71

19 Cross Interference and Cross Calibration19.1 Cross Calibration Flammable Gas Detector

For greater accuracy, a catalytic gas detector should be calibrated using a certifiedgas/air mixture equal to 50% LEL of the actual target gas intended to be monitored.

However, it is not always practical to obtain every detectable type of hydrocarbon gas in a calibration-ready, certified and verifiable form. Therefore, it is possible to carry out a “cross calibration” using another hydrocarbon gas/air mixture.

When the Sensepoint XCD Combustible LEL sensor is to be calibrated with a gas which is different to the gas or vapour to be detected, the following cross calibration procedure may be followed:

Notes:1. Table 14 lists a selection of hydrocarbon compounds and states a reference figure or “Star Rating” according to the reaction they produce in relation to other hydrocarbons.2. An eight star (8*) gas produces the highest output, while a one star (1*) gas produces the lowest output.

No. Gas 705 705HT1 Acetone 2* 4*2 Ammonia 8* 7*3 Benzene 2* 3*4 Butanone 2* 4*5 Butane 3* 4*6 Butyl acetate 1* 1*7 Butyl acrylate 4* 2*8 Cyclohexane 2* 3*9 Cyclohexanone 1* 1*

10 Diethyl ether 2* 4*11 Ethane 4* 6*12 Ethanol 3* 5*13 Ethyl acetate 1* 3*14 Ethylene 4* 6*15 Heptane 1* 3*16 Hexane 1* 4*17 Hydrogen 6* 6*18 Methane 6* 7*19 Methanol 4* 5*20 MIBK 1* 2*21 Octane 1* 3*22 Pentane 2* 4*

Caution: Where the user calibrates any sensor using a different gas, responsibility for identifying and recording calibration rests with the user. Refer to the local regulations where

appropriate.


72

23 Propane 3* 5*24 Propan-2-ol 3* 4*25 Styrene 1* 1*26 Tetra hydrafuran 3* 4*27 Toluene 1* 3*28 Triethylamine 3* 3*29 Xylene 1* 1*

Table 14 . Star Rating of Gases

To cross calibrate the Sensepoint XCD combustible gas sensor:(1) Obtain the star rating for both the calibration test gas and the gas to be detected from Table 14(2) These values may then be used in Table 15 to obtain the required calibration span setting when a 50% LEL test gas is applied to the detector.

*Rating of *Rating of Gas to be Detected Calibration Gas 8* 7* 6* 5* 4* 3* 2* 1* 8* 50 62 76 95 - - - - 7* 40 50 61 76 - - - - 6* 33 41 50 62 78 - - - 5* 26 33 40 50 63 79 - - 4* - 26 32 40 50 63 80 - 3* - - 26 32 40 50 64 81 2* - - - 25 31 39 50 64 1* - - - - 25 31 39 50Note: These settings must only be used with a calibration gas concentration of 50% LEL.

Table 15. Calibration span setting

(3) If a sensor is to be used to detect a gas other than that for which it was calibrated and there is no intention to use an equivalent calibration gas to re-calibrate the sensor, then the required correction factor may be obtained from Table 16.

The reading shown on the gas detector controller or transmitter display should bemultiplied by this number in order to obtain a more accurate gas concentration result.

Sensor calibrated to Sensor used to detect detect 8* 7* 6* 5* 4* 3* 2* 1* 8* 1.00 1.24 1.52 1.89 2.37 2.98 3.78 4.83 7* 0.81 1.00 1.23 1.53 1.92 2.40 3.05 3.90 6* 0.66 0.81 1.00 1.24 1.56 1.96 2.49 3.17 5* 0.53 0.66 0.80 1.00 1.25 1.58 2.00 2.55 4* 0.42 0.52 0.54 0.80 1.00 1.26 1.60 2.03 3* 0.34 0.42 0.51 0.64 0.80 1.00 1.27 1.62 2* 0.26 0.33 0.40 0.50 0.63 0.79 1.00 1.28 1* 0.21 0.26 0.32 0.39 0.49 0.62 0.78 1.00

Table 16. Correction factorsNotes:


73

1. Since catalytic sensors require oxygen for correct operation, a mixture of gas in airshould always be used for calibration purposes.2. Assuming average performance of the sensor, the sensitivity information in Tables 14 To 16 is normally accurate to + or - 30%.

Working Example:If the target gas to be detected is 0-100%LEL Ethylene and the only calibration gasavailable to re-calibrate the sensor is Methane (at 50% LEL concentration), the procedure is as follows:(1) Look up the star rating for each gas in Table 14:

Gas No. 14, Ethylene = 5* Gas No. 18, Methane = 6*

(2) Then, look up the span settings for a 50% LEL calibration gas in Table 15 by selecting the row of figures next to the 6* in the “calibration gas” column. Select the figure in the 5* column of the “gas to be detected” section. The figure is 62.

(3) This means that during re-calibration, the span gas setting on the gas detectortransmitter or controller should be set to 62% LEL to give an accurate measuring scale for 0-100%LEL Ethylene, when using 50% LEL Methane as the calibration gas.

Section 19.1 is used for Sensepoint XCD Catalytic Sensor only, RFD with 705 and 705HT.

Please contact your local Honeywell Analytics sales or service distributor, or regional offce should further clarification or additional information be required.


74

XCD Transmitter

Appendix A - Modbus® Protocol A-2

A.1 Modbus and the XCD

The XCD gas detector may be fitted with the optional Modbus board. Authoritative information on the MODBUS Upgrade Kit can be found at www.modbus.org. The XCD supports Modbus/RTU over an RS-485 physical layer. The interface is isolated and includes a switchable 120 Ohm termination resistor. Baud rates 9600 or 19,200 are supported with 19,200 as the default. Most of the operations that are possible with local user interfaces can also be performed using the Modbus interface. This includes configuration operations. However, this Appendix only describes how to monitor XCD status using Modbus.

See Section 4.1.1 for information on installing the optional Modbus hardware. See Section 4.1.1 Configure Menu – Set ID Settings for information on setting the Modbus baud rate and Parity using the local user interface.


75

A.2 Modbus Registers

ModBus RegisterAddress Information R/W Type Size Note

30001 Main SW Version of XCD R u8 130002 EEP Version of XCD R u8 130003 WatchDog s/w Version of XCD R u8 130004 Location string R string[12] 630010 ModBus slave ID R u8 1

30011 Monitor Status R u16 1 Upper byte : FunctionLower byte : Instrument Mode

30012 Inhibit current(mA) R u8 1 20 means 2.0mA30013 Reserved R u16 1

30014 Active Alarm R u32 2 bit 0 Alarm 1 is activebit 1 Alarm 2 is active

30016 Latched Alarm R u32 2 bit 0 Alarm 1 is activebit 1 Alarm 2 is active

30018 Active Fault R u32 2

Upper Byte: faultLower Byte:warning Bit 0:W1~Bit 6:W6 Bit 7:F1~Bit 11:F5

30020 Latched Fault R u32 2

Upper Byte: faultLower Byte:warning Bit 0:W1~Bit 6:W6 Bit 7:F1~Bit 11:F5

40001 Systern ID code R u16 1 Upper Byte : Type Code : 0x25Lower Byte : My Address

40002 Systern ID code R u16 1 Upper Byte : Type Code : 0x25Lower Byte : My Address : Dummy Spacer

40003 Gas reading R f32 2

40005 Fault and Warning R u8 1 Fault = 1100 + NumberWarning = Number as is

40006 Alarm, fault and warning state R u8 1

bit 0 Alarm 1 is activebit 1 Alarm 2 is activebit 2,3 for future expansionbit 4 Warning is activebit 5 Fault is activebit 6,7 for future expansionNote: Latching relay setting latches Modbus values in register 40006.

40007 Monitor state monitering R u8 1

1 : Normal2 : Warm Up after power on3 : Inhibit12 : Calibration

40008 Reserved R u16 140009 Ca libration Due R f32 2

40011 Measuring Unit R u8 1

4 : PPM3 : %Vol5 : %LEL1 : mg/m3

40012 Peak Reading R f32 2 Peak Reading40014 Reserved R u16 340017 Temperature (oC) R s16 140018 Reserved R u16 2840046 Measuring Gas name string R string[14] 740053 Reserved R s16 140054 Temperature (oF) R s16 140055 Reserved R u16 140056 Relay Status R u8 1 1 : Energized, 0 : De-energized40057 Power Supply R f32 240059 Calibration Interval R/W u16 1

40060 Alarm Type R/W u8 1High nibble : Alarm 2 TypeLow nibble : Alarm 1 Type 0: Disable, 1: Rising, 2:Falling

40061 Inhibit timeout R/w u16 1

40062 Relay configuration R/w u8 1Bit: 0 ~ 2: Relay Type1 ~ Relay Type3Bit: 3~5 : Relay Sstatus1 ~ Relay Status 3Bit: 6 : Relay Latch Status

Find out more:

Customer Business CentreAmericasHoneywell Analytics Inc.405 Barclay Blvd.Lincolnshire, IL 60069USATel: 1-847-955-8200Toll free: 1-800-538-0363Fax: 1-847-955-8210Email: [email protected]: www.honeywellanalytics.com

Technical ServicesUS: [email protected]

Please Note:While every effort has been made to ensure accuracy in this publication, no responsibility can be accepted for errors or omissions.Data may change, as well as legislation and you are strongly advised to obtain copies of the most recently issued regulations, standards and guidelines.This publication is not intended to form the basis of a contract.

Issue 1 06/20133001M5032_1SPXCDHMRFENU© 2013 Honeywell Analytics

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